Messages in this thread | | | Date | Wed, 18 Jan 2006 16:00:03 +0800 | From | HuaFeijun <> | Subject | hugetlb bug |
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Is it kernel bug? The code works normally on ia64 machine,howerver, on EM64T,it fails tot work. The function call of shmat will change /proc/meminfo;and the shmdt can't restore it to original content. How to restore it to original stauts?Thanks. Is it kernel bug? The code works normally on ia64 machine,howerver, on EM64T,it fails tot work. The function call of shmat will change /proc/meminfo file's content;and the shmdt can't restore the file's content. How to restore it to original stauts?Thanks. ------------------------------------------------------- === before shmat === MemTotal: 2056388 kB MemFree: 607300 kB Buffers: 43976 kB Cached: 134252 kB SwapCached: 0 kB Active: 151940 kB Inactive: 63436 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2056388 kB LowFree: 607300 kB SwapTotal: 4096564 kB SwapFree: 4096564 kB Dirty: 176 kB Writeback: 0 kB Mapped: 50880 kB Slab: 93236 kB Committed_AS: 90340 kB PageTables: 3528 kB VmallocTotal: 536870911 kB VmallocUsed: 264436 kB VmallocChunk: 536606243 kB HugePages_Total: 500 HugePages_Free: 500 Hugepagesize: 2048 kB
=== after shmat === MemTotal: 2056388 kB MemFree: 607300 kB Buffers: 43976 kB Cached: 134252 kB SwapCached: 0 kB Active: 151940 kB Inactive: 63436 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2056388 kB LowFree: 607300 kB SwapTotal: 4096564 kB SwapFree: 4096564 kB Dirty: 176 kB Writeback: 0 kB Mapped: 50880 kB Slab: 93236 kB Committed_AS: 90340 kB PageTables: 3528 kB VmallocTotal: 536870911 kB VmallocUsed: 264436 kB VmallocChunk: 536606243 kB HugePages_Total: 500 HugePages_Free: 0 Hugepagesize: 2048 kB
=== after shmdt=== MemTotal: 2056388 kB MemFree: 607300 kB Buffers: 43976 kB Cached: 134252 kB SwapCached: 0 kB Active: 151940 kB Inactive: 63436 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2056388 kB LowFree: 607300 kB SwapTotal: 4096564 kB SwapFree: 4096564 kB Dirty: 176 kB Writeback: 0 kB Mapped: 50880 kB Slab: 93236 kB Committed_AS: 90340 kB PageTables: 3528 kB VmallocTotal: 536870911 kB VmallocUsed: 264436 kB VmallocChunk: 536606243 kB HugePages_Total: 500 HugePages_Free: 0 Hugepagesize: 2048 kB | |